Question

if 7 pens cost 4.20rupees what is the cost of 3 pens

Answer 1

Heya ✌✌
Here is u r Ans ➡

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= 4.20 ÷ 7

= 0.6

Means, 1 pen cost = 0.6

= 0.6 × 3

= 1.8

Cost of 3 pens ➡Rs. 1.8

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Hope This Helps u ☺.

Answer 2

the cost of 7 pens is= 4.20rs
cost of one pen is =4.20/7
= 0.6rs
cost of 3 pens is= 3*0.6= 1.8 Rs